Yong Hyun, Do;Jae-Hye, Song;Si-Woo, Lee;Jung Yeol, Park;Jun Wook, Hur
Journal of Marine Life Science
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v.7
no.2
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pp.205-212
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2022
Transport is essential in the farming process of farmed fish and is one of the physical stress factors such as sorting. The effect of water temperature and anesthesia during low salinity transport was confirmed. In the experimental group, the water temperature was set to 20℃ (natural water temperature, NWT), 15℃ (cooling water temperature, CWT) respectively, in water with a salinity concentration of 35‰, 15‰ and an anesthetic (anesthesia, Anes., Sigma USA) was diluted and mixed to 50 ppm. A styrofoam box (66×42×20 cm) was used as a transport container, and 8 flounder were accommodated and transported in a plastic bag injected with 3 ℓ of seawater and liquid oxygen. As a result of the study, the concentration of cortisol before transport increased significantly from 2.4±0.1 ng ml-1 in the experimental groups except for the CWT+35‰ group (16.7±12.8 ng ml-1). The K+ concentration slightly increased from 3.1±0.0 mEq l-1 before transport to 4.5±1.1 mEq l-1 in the NWT+15‰ group, showing no difference, and significantly increased in all other experimental groups. There was no effect on changes in blood characteristics, and water temperature and anesthetic had a negative effect on osmotic control due to stress. AST and ALT were not affected.
Kim, Il Gyu;Park, Hae-Jin;Kim, Kyeong Jo;Kim, Soo Hyun;Kim, Min Ju;Lee, Jin A;Roh, Seong-Soo
The Korea Journal of Herbology
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v.33
no.5
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pp.47-52
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2018
Objectives : The purpose of this study is to investigate effects on the immune system of Bombyx mori L. and Liriopis seu Ophiopogonis Tuber mixture (BL) in Thymus, Lymph Nodes. Methods : Eight-week-old male Balb/c mice were divided into five groups : Group one included the normal mice (Nor). Positive control group two administrated with red ginseng (RG) 100 mg/kg. Group three administrated with Bombyx mori L. (BX) 300 mg/kg. Group four administrated with Liriopis seu Ophiopogonis Tuber (LP) 300 mg/kg. Group five administrated with the mixture of Bombyx mori L. and Liriopis seu Ophiopogonis Tuber (BL) 300 mg/kg. After 2 weeks administration, mice were sacrified and antigen receptor in Thymus, Lymph Nodes was analyzed by using Fluorescence Activated Cellorter Sorting (FACS). we counted the total of Thymus and Lymph Nodes cells. GOT (glutamlc oxaloacetic transaminase), GPT (glutamlc pyruvic transamlnase) in serum were analyzed after experiment. Results : In Effects of Nor, RG, BX, LP, BL on the ratio of CD4+CD8+, CD4+CD69+ and CD4+CD25+ T cell in Thymus and Lymphnode, BL is higher than other groups except Nor in CD4+, CD4+CD69+, CD4+CD25+ T cell. The number of Thymus and Lymph Nodes increased in BL. In the level of GOT and GPT, BL decreased comparing to others group except Nor. Conclusions : BL may have effect on T cells in Thymus, Lymph Nodes. In addition, Bombyx mori could be immune functional material with others herb materials.
This study aims to examine how old people think about 'dignifiable aging'. For the study, the authors have tried to understand and analyze of old people's view on 'classy and gracious aging' through their life experiences. The study focuses on the questions of 'how the participants experience aging', 'how they understand well, classy and successful aging and 'how they explain their ideas of the aging, then analyzes their ideas as types of 'within cases' as well as 'inter cases'. Indepth interview has employed as main methodology of data collection with the analysis of concerned written documents such as on-line and off-line essays as secondary data. The collected data had been basically sorted and analyzed by sorting commonimity and differences. Then they have been classified into the thems that indicate meanings and forms of 'dignified aging': 'ageless mind', 'happiness determined by one's mind', 'responsibility on family', 'desire for learning and social activities'. These meaning-units are added up to the main meaning of '(fullfilled) satisfaction through life-values' mediated by 'acceptance and acknowledgement', 'efforts', 'others' gaze', 'dreams and hopes', '(fullfilled) Satisfaction through life-values' can be achieved by 'sharing with others'. An interesting fact is that the meaning-units can be devided into two groups: 'the real life is the ideal life' which explains the actualization of the ideal in the daily life and 'life, conflict, the ideal' in which the real and the ideal are parellel with constant conflicts. In the conclusion, some implications and suggestions derived from the analysis are described from the v iew of social welfare.
So Young Lee;Hye Seon Jeong;Yoon Sung Choi;Choong Kwon Lee
Smart Media Journal
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v.12
no.7
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pp.43-51
/
2023
As online transactions increase, the image of clothing has a great influence on consumer purchasing decisions. The importance of image information for clothing materials has been emphasized, and it is important for the fashion industry to analyze clothing images and grasp the materials used. Textile materials used for clothing are difficult to identify with the naked eye, and much time and cost are consumed in sorting. This study aims to classify the materials of textiles from clothing images based on deep learning algorithms. Classifying materials can help reduce clothing production costs, increase the efficiency of the manufacturing process, and contribute to the service of recommending products of specific materials to consumers. We used machine vision-based deep learning algorithms ResNet and Vision Transformer to classify clothing images. A total of 760,949 images were collected and preprocessed to detect abnormal images. Finally, a total of 167,299 clothing images, 19 textile labels and 20 fabric labels were used. We used ResNet and Vision Transformer to classify clothing materials and compared the performance of the algorithms with the Top-k Accuracy Score metric. As a result of comparing the performance, the Vision Transformer algorithm outperforms ResNet.
CHOI, In-Sook;SEONG, Yeong Bae;KIM, Jong Wook;PARK, Seung-Phil;LI, Chun Jing
Journal of The Geomorphological Association of Korea
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v.17
no.1
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pp.59-72
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2010
This study is based on the observation on the patterned ground found in the northern part of the Baekdusan during two fieldtrips of 2008 summer. The patterned grounds are found in two areas-Dalmun and Socheonji. The patterned ground found around Dalmun are well-sorted, having fine materials in the center and coarse (boulder size) materials in the rim, and stretching in the form of stairs. Meanwhile, the types of patterned ground found around Socheonji are various, including polygon, stripe, and circular patterns. The particle size analysis and morphological analysis of comprising materials are carried out only for the patterned ground of Socheonji. The mean short and long axis of the patterned grounds are 91cm and 163cm, respectively. The distribution pattern of material size from the most samples increase toward the rim, indicating the patterned grounds are well-sorted. The comprising materials are dominated by silt, which is very susceptible for freeze-thaw cycle. The lower ratio of clay (low less than 10%), suggests that physical weathering is more dominant rather than chemical weathering. The involution structure found in the vertical section of the patterned grounds is likely to have formed by active cryoturbation which is one of the dominant geomorphic processes in the periglacial environments like the study area.
Proceedings of the Korean Society of Medical Physics Conference
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2003.09a
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pp.44-44
/
2003
As a basic measurement tool in the areas of animal models of human disease, gene expression and therapy, and drug discovery and development, small animal PET imaging is being used increasingly. An ideal small animal PET should have high sensitivity and high and uniform resolution across the field of view to achieve high image quality. However, the combination of long narrow pixellated crystal array and small ring diameter of small animal PET leads to the degradation of spatial resolution for the source located at off center. This degradation of resolution can be improved by determining the depth of interaction (DOI) in the crystal and by taking into account the information in sorting the coincident events. Among a number of 001 identification schemes, dual layer phsowich detector has been widely investigated by many research groups due to its practicability and effectiveness on extracting DOI information. However, the effects of each crystal length composing dual layer phoswich detector on DOI measurements and image qualities were not fully characterized. In order to minimize the DOI effect, the length of each layer of phoswich detector should be optimized. The aim of this study was to perform simulations using a simulation tool, GATE to design the optimum lengths of crystals composing a dual layer phoswich detector. The simulated small PET system employed LSO front layer LuYAP back layer phoswich detector modules and the module consisted of 8${\times}$8 arrays of dual layer crystals with 2 mm ${\times}$ 2 mm sensitive area coupled to a Hamamatsu R7600 00 M64 PSPMT. Sensitivities and variation of radial resolutions were simulated by varying the length of LSO front layer from 0 to 10 mm while the total length (LSO + LuYAP) was fixed to 20 mm for 10 cm diameter ring scanner. The radial resolution uniformity was markedly improved by using DOI information. There existed the optimal lengths of crystal layers to minimize the variation of radial resolutions. In 10 cm ring scanner configuration, the radial resolution was kept below 3.4 mm over 8 cm FOV while the sensitivity was higher than 7.4% for LSO 5 mm : LuYAP 15 mm phoswich detector. In this study, the optimal length of dual layer phoswich detector was derived to achieve high and uniform radial resolution.
The aim of this study is to present a graphical method in order to evaluate stages in shrinkage cracking. Firstly, the distribution of crack openings is established by sorting the openings of individual cracks in the soil cracking system. Secondly, it is normalized in a range of 0 to 1 to obtain the normalized crack opening distribution. Thirdly, three S-shape curve models introduced by Brooks and Corey(1964), Fredlund and Xing(1994) and van Genuchten(1980) are chosen to fit the normalized crack opening distribution using a curve fitting method. The accuracy of fitting which is described through fitting parameters by the van Genuchten equation is much higher than that by the Brooks and Corey equation and slightly higher than that by the Fredlund and Xing equation; thus the van Genuchten model is used. Finally, the stages of shrinkage cracking are graphically evaluated by drawing three separate straight lines corresponding to three linear parts of the fitted normalized crack opening distribution. The proposed method is tested with different sample thicknesses. The measured data are fitted by the selected model with the fairly high regression coefficient and small root mean square error. The results show graphically that shrinkage cracking comprises three stages; namely, primary, secondary and residual stages. Subsequently, the ranges of evaluated crack opening for each of these stages are presented.
Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography
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v.40
no.1
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pp.1-14
/
2022
In order to conduct rapid, accurate and safe surveying at the excavation site, In this study, the possibility of underground facility survey using drones and the expected effect of 3D visualization were obtained as follows. Phantom4Pro 20MP drones have a 30m flight altitude and a redundant 85% flight plan, securing a GSD (Ground Sampling Distance) value of 0.85mm and 4points of GCP (Groud Control Point)and 2points of check point were calculated, and 7.3mm of ground control point and 11mm of check point were obtained. The importance of GCP was confirmed when measured with low-cost drones. If there is no ground reference point, the error range of X value is derived from -81.2 cm to +90.0 cm, and the error range of Y value is +6.8 cm to 155.9 cm. This study classifies point cloud data using the Pix4D program. I'm sorting underground facility data and road pavement data, and visualized 3D data of road and underground facilities of actual model through overlapping process. Overlaid point cloud data can be used to check the location and depth of the place you want through the Open Source program CloudCompare. This study will become a new paradigm of underground facility surveying.
Kim, Hye-Min;Kim, So-Hyung;Park, Jin-Woo;Lee, Hyun-Su
한국체육학회지인문사회과학편
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v.54
no.1
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pp.597-609
/
2015
The purpose of this research is to analyze requirements for sports for all of the intellectually handicapped and their characteristics. Subjects for this study consisted of 33 undergraduate students who belonged to the department of physical education in P University. The Q-population a total of 28 people were selected including 16 handicapped college students from P welfare center and 12 members from the vocational adjustment class. The card used in Q sort was 27 categories of sports for all suggested by the korea Paralympic Committee. The result of Q-sorting were coded and analysed using QUANL pc program. According to the research result, Firstly, the requirement types of sports for all of the intellectually handicapped revealed to be four types(The eigen values of the five types of attitudes are 5.6, 2.3, 1.9, and 1.7): Secondly, the characteristics for each five types were determined to be experiential-value Pursuing type(type 1), interest-value pursuing type(type 2), purpose0orientation pursign type(type 3) and Safety-oriented pursuing type(type 4). Through the characteristics of each of the five types. Such results of the research suggest that the demand of the mentally ills for sports for all can be diverse and there can be a variety of types based on the background factors.
International Journal of Advanced Culture Technology
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v.10
no.1
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pp.248-252
/
2022
The environment refers to what is surrounded by something during human life. This environment is related to the way humans live, and presents various problems on how to perceive the surrounding environment and how the behaviors that constitute the environment support the elements necessary for human life. Humans have an interest in the supportability of the environment as the interrelationship increases as humans perceive and understand the environment and accept the factors supported by the environment. In space, human movement starts from one space to the next and exchanges stimuli and reactions with the environment until reaching a target point. These human movements start with subjective judgment and during gait movement, the spatial environment surrounding humans becomes a collection of information necessary for humans and gives stimulation. will do. In this process, in particular, humans move along the movement path through movement in space and go through displacement perception and psychological changes, and recognize a series of spatial continuity. An image of thinking is formed[1]. In this process, spatial experience is perceived through the process of filtering by the senses in the real space, and the result of cognition is added through the process of subjective change accompanied by memory and knowledge, resulting in human movement. As such, the spatial search behavior begins with a series of perceptual and cognitive behaviors that arise in the process of human beings trying to read meaning from objects in the environment. Here, cognition includes the psychological process of sorting out and judging what the information is in the process of reading the meaning of the external environment, conditions, and material composition, and perception is the process of accepting information as the first step. It can be said to be the cognitive ability to read the meaning of the environment given to humans. Therefore, if we can grasp the perception of space while moving and human behavior as a response to perception, it will be possible to predict how to grasp it from a human point of view in a space that does not exist. Modern people have the theme of reminiscing dog-friendly hotels for the healing of petloss syndrome, and this thesis attempts to approach the life of companions.
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